G.Skill 16GB DDR3 PC3-12800 1600MHz CL11 NT Series Desktop Dual Channel Memory kit (2x8GB) at Amazon.com
G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com
Vaseky Knight Game Memory Ram DDR3 16GB(2*8GB)Kit Support Dual Channel 1600MHz Chips Unbuffered DIMM DDR3 PC3 12800 for Intel AMD System Desktop Memory Model with Cooling Vest - Newegg.com